221255667

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1913}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 326053728

約数和(自身を除く): 104798061

約数列:

[1, 3, 9, 71, 181, 213, 543, 639, 1629, 1913, 5739, 12851, 17217, 38553, 115659, 135823, 346253, 407469, 1038759, 1222407, 3116277, 24583963, 73751889, 221255667]

約数ペア:

[(1, 221255667), (3, 73751889), (9, 24583963), (71, 3116277), (181, 1222407), (213, 1038759), (543, 407469), (639, 346253), (1629, 135823), (1913, 115659), (5739, 38553), (12851, 17217)]